# Service difficulty reports: N7521A, cancelled Jan 7, 2019

A list on [N7521A, cancelled Jan 7, 2019](https://openairdocs.org/deregistered/N7521A-2019-01-07.md).

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

Page 1 of 2 · 81 reports

- [SDR AALA20120427011](https://openairdocs.org/sdr/AALA20120427011.md): Frame · cracked · Apr 27, 2012 · N7521A · Doug DC982 · Fuselage Main, Frame
  > THE 1510 CANT FRAME CRACKED BELOW MAINTENANCE LIGHT SWITCH. INSTALLED DOUBLER PER EA MD80-53-023404.
- [SDR AALA20111013LGA03](https://openairdocs.org/sdr/AALA20111013LGA03.md): Battery Pack · discharged · Oct 12, 2011 · N7521A · Doug DC982 · Emergency Lighting
  > CEILING EMERGENCY LIGHTS AT ROWS 19 TO 21 INOPERATIVE. REPLACED BATTERY PACK AT ROW 20. OPS CHECKS NORMAL.
- [SDR AALA20111013LGA02](https://openairdocs.org/sdr/AALA20111013LGA02.md): Battery Pack · discharged · Oct 12, 2011 · N7521A · Doug DC982 · Emergency Lighting
  > FORWARD OVERHEAD CABIN/COCKPIT EMERGENCY CEILING LIGHTS ARE INOPERATIVE. REPLACED BATTERY PACK. OPS CHECKS NORMAL.
- [SDR AALA20111013LGA01](https://openairdocs.org/sdr/AALA20111013LGA01.md): Battery Pack · discharged · Oct 12, 2011 · N7521A · Doug DC982 · Emergency Lighting
  > FORWARD OVERWING EXIT EMERGENCY LIGHTS ARE AT ROW 20 INOPERATIVE. REPLACED BATTERY PACK. OPS CHECKS NORMAL.
- [SDR AALA20110816ORD01](https://openairdocs.org/sdr/AALA20110816ORD01.md): Sensor · inoperative · Aug 16, 2011 · N7521A · Doug DC982 · Door Warning System
  > ORD - CREW REPORTED YELLOW GEAR DOOR OPEN LIGHT STAYED ON AFTER TAKEOFF. CYCLED GEAR AND LIGHT REMAINED ON. EMERGENCY DECLARED FLIGHT LANDED ORD WITHOUT INCIDENT. AFTER GEAR EXTENSION FOR LANDING LIGHT WAS STILL ILLUMINATED. AIRCRAFT REMOVED FROM SERVICE.
- [SDR AALA20110727TUL10](https://openairdocs.org/sdr/AALA20110727TUL10.md): Wire · broken · Jul 25, 2011 · N7521A · Doug DC982 · Light System Wiring
  > AFT STAIR CATWALK EMERGENCY LIGHTS INOPERATIVE. REPAIRED BROKEN WIRE FOR AFT STAIR CATWALK EMERGENCY LIGHTS. OPS CHECK NORMAL.
- [SDR AALA20110727TUL09](https://openairdocs.org/sdr/AALA20110727TUL09.md): Battery · not seated · Jul 25, 2011 · N7521A · Doug DC982 · Emergency Lighting
  > ROW 28 TO 30 CEILING EMERGENCY LIGHTS INOPERATIVE. RESEATED BATTERIES FOR ROW 28 TO 30 CEILING EMERGENCY LIGHTS. OPS CHECK NORMAL.
- [SDR AALA20110726LGA01](https://openairdocs.org/sdr/AALA20110726LGA01.md): Battery · not seated · Jul 25, 2011 · N7521A · Doug DC982 · Emergency Lighting
  > LEFT NUMBER 1 DOOR PORTABLE LIGHT INOPERATIVE. RESEATED BATTERIES FOR LEFT NUMBER 1 DOOR PORTABLE LIGHT. OPS CHECK NORMAL.
- [SDR AALA20101009DFW01](https://openairdocs.org/sdr/AALA20101009DFW01.md): Pin · loose · Oct 8, 2010 · N7521A · Doug DC982 · Light System Wiring
  > EMERGENCY AISLE LIGHT OUT AT SEAT 27D. RE-INSERTED LOOSE PIN IN SEAT 27D EMERGENCY EXIT AISLE CONNECTOR. OPS CHECKED NORMAL
- [SDR AALA20091012DFW02](https://openairdocs.org/sdr/AALA20091012DFW02.md): Shutoff Valve · leaking · Oct 12, 2009 · N7521A · Doug DC982 · Hydraulic System, Main
  > DFW INFLIGHT. RIGHT HYDRAULIC QUANTITY WENT TO ZERO ALONG WITH HYDRAULIC PRESSURE TO 1500 PSI WHEN SLATS WERE EXTENDED ON FINAL APPROACH. LANDING WAS NORMAL EXCEPT FOR DRAGGING DOORS ON LANDING. FOUND RIGHT SHUT OFF VALVE LEAKING. REPLACED GROUND SPOILER C
- [SDR AALA20090821TUL06](https://openairdocs.org/sdr/AALA20090821TUL06.md): Battery Pack · discharged · Aug 3, 2009 · N7521A · Doug DC982 · Emergency Lighting
  > EMERGENCY BATTERY IS WEAK AT STATION 1190. REPLACED EMERGENCY LIGHT BATTERY PACK AT STATION 1190 UNDER MM 33-53-00-6.
- [SDR AALA20090805TUL12](https://openairdocs.org/sdr/AALA20090805TUL12.md): Battery Pack · discharged · Aug 3, 2009 · N7521A · Doug DC982 · Emergency Lighting
  > EMERGENCY BATTERY IS WEAK AT STATION 1322. REPLACED EMERGENCY LIGHTING BATTERY PACK UNDER MM 33-53-00-6.
- [SDR AALA20090609TUL23](https://openairdocs.org/sdr/AALA20090609TUL23.md): Beam · corroded · Jun 1, 2009 · N7521A · Doug DC982 · Cargo/Baggage Doors
  > FORWARD END OF NR 4 BEAM ON AFT CARGO DOOR CORRODED. REMOVED AND REPLACED BEAM PER ESO 80174.
- [SDR AALA20090609TUL24](https://openairdocs.org/sdr/AALA20090609TUL24.md): Beam · damaged · May 31, 2009 · N7521A · Doug DC982 · Cargo/Baggage Doors
  > CORROSION ON FORWARD TOP NR 4 SIDE OF DOOR BEAM. REMOVED CORROSION AND CHORD SECTION OF NR 4 BEAM AND INSTALLED NEW CHORD PER SHOP ECO 80174 AND SRM 51-20-00.
- [SDR AALA20090605TUL01](https://openairdocs.org/sdr/AALA20090605TUL01.md): Cargo Track · corroded · May 31, 2009 · N7521A · Doug DC982 · Fuselage, Seat/Cargo Attach Fittings
  > AFT CARGO TIE DOWN TRACK IS CORRODED AT STATION 1155. REPAIRED TIE DOWN TRACK PER AARD 53-20-00-13.
- [SDR AALA20090605TUL19](https://openairdocs.org/sdr/AALA20090605TUL19.md): Web · gouged · May 30, 2009 · N7521A · Doug DC982 · Fuselage Miscellaneous Structure
  > SCREW GOUGE IN WEB AT STATION 1153 LONGERON 28 RIGHT. INSTALLED WEB SPLICE PER AARD 53-10-00-24.
- [SDR AALA20090605TUL18](https://openairdocs.org/sdr/AALA20090605TUL18.md): Frame · cracked · May 30, 2009 · N7521A · Doug DC982 · Fuselage Main, Frame
  > FRAME CRACKED AT CUSP LINE. INSTALLED NEW FRAME ON RIGHT SIDE AT STATION 864 PER ECO K3290AC.
- [SDR AALA20090605TUL08](https://openairdocs.org/sdr/AALA20090605TUL08.md): Angle · corroded · May 30, 2009 · N7521A · Doug DC982 · Fuselage Miscellaneous Structure
  > AFT CARGO Z-ANGLE CORRODED. INSTALLED Z-ANGLE PER SRM 50-30-01.
- [SDR AALA20090605TUL30](https://openairdocs.org/sdr/AALA20090605TUL30.md): Strap · gouged · May 29, 2009 · N7521A · Doug DC982 · Fuselage Miscellaneous Structure
  > SCREW GOUGE IN STRAP AT STATION 1148 AND LONGERON 28 RIGHT UNDER TIE DOWN TRACK. REPLACED STRAP PER AARD 51-00-012 AND SRM 53-01-00.
- [SDR AALA20090605TUL29](https://openairdocs.org/sdr/AALA20090605TUL29.md): Intercostal · gouged · May 29, 2009 · N7521A · Doug DC982 · Fuselage Miscellaneous Structure
  > INTERCOSTAL HAS GOUGE AT STATION 1318 BETWEEN LONGERON 26 LEFT AND 27 LEFT. INSTALLED NEW INTERCOSTAL PER SRM 51-30-05.
- [SDR AALA20090605TUL28](https://openairdocs.org/sdr/AALA20090605TUL28.md): Shear Tie · corroded · May 29, 2009 · N7521A · Doug DC982 · Fuselage Internal Mounting Structure
  > SHEAR TIE CORRODED FROM LONGERON 29 LEFT TO LONGERON 29 RIGHT. SPLICED IN NEW SECTION OF SHEAR TIE AT STATION 1287 BETWEEN LONGERON 29 LEFT TO LONGERON 29 RIGHT PER SRM 53-03-00 FIGURE 3.
- [SDR AALA20090605TUL27](https://openairdocs.org/sdr/AALA20090605TUL27.md): Web · cracked · May 29, 2009 · N7521A · Doug DC982 · Fuselage Miscellaneous Structure
  > CRACK IN WEB AT FASTENER HOLE AND CORROSION AT SAME AREA ON WEB AT FASTENER HOLE RIGHT STATION 433 BETWEEN LONGERON 25 AND 26 RIGHT. INSTALLED DOUBLER RIGHT STATION 433 PER AARD 53-10-00-24 FIGURE 1 SHEET 3.
- [SDR AALA20090605TUL40](https://openairdocs.org/sdr/AALA20090605TUL40.md): Longeron · corroded · May 28, 2009 · N7521A · Doug DC982 · Fuselage Main, Longeron/Stringer
  > CORROSION IN AFT CARGO LONGERON 29 LEFT. COMPLETED U-CHANNEL REPAIR PER SRM 53-02-00.
- [SDR AALA20090605TUL37](https://openairdocs.org/sdr/AALA20090605TUL37.md): Beam · corroded · May 28, 2009 · N7521A · Doug DC982 · Fuselage Miscellaneous Structure
  > CORROSION IN CARGO ON LOWER DOOR BEAM. DOUBLER WAS INSTALLED PER AARD 53-10-00-03.
- [SDR AALA20090605TUL32](https://openairdocs.org/sdr/AALA20090605TUL32.md): Cusp Web · corroded · May 28, 2009 · N7521A · Doug DC982 · Fuselage Miscellaneous Structure
  > AFT CARGO CORROSION ON LOWER SIDE OF LEFT CUSP AT STATION 1090. INSTALLED DOUBLER PER AARD 53-20-00-16.
- [SDR AALA20090605TUL26](https://openairdocs.org/sdr/AALA20090605TUL26.md): Cusp Web · corroded · May 28, 2009 · N7521A · Doug DC982 · Fuselage Miscellaneous Structure
  > RIGHT CUSP CORRODED STATION 639 TO 643. INSTALLED DOUBLER PER AARD 53-20-00-16, MATERIAL 7075-T6.032 AFTER CORROSION REMOVAL.
- [SDR AALA20090605TUL25](https://openairdocs.org/sdr/AALA20090605TUL25.md): Longeron · corroded · May 28, 2009 · N7521A · Doug DC982 · Fuselage Main, Longeron/Stringer
  > CORROSION AT STATION 1288 TO 1295 ON LONGERON 30. INSTALLED LONGERON REPAIR PER SRM 53-02-00.
- [SDR AALA20090609TUL39](https://openairdocs.org/sdr/AALA20090609TUL39.md): Stop Fitting · cracked · May 27, 2009 · N7521A · Doug DC982 · Cargo/Baggage Doors
  > FORWARD CARGO DOOR STOP PAD FITTING CRACKED BOTTOM AFT PAD. REMOVED AND REPLACED FITTING PER ESO 80174.
- [SDR AALA20090609TUL25](https://openairdocs.org/sdr/AALA20090609TUL25.md): Skin · dented · May 27, 2009 · N7521A · Doug DC982 · Fuselage Main, Plate/Skin
  > SHARP DENT IN FUSELAGE BETWEEN L17L-L18L. DRILLED OUT DAMAGED AREA, INSTALLED FLUSH PLUG RIVET PER SRM 53-04 FIG 38 SHEET 13.
- [SDR AALA20090605TUL44](https://openairdocs.org/sdr/AALA20090605TUL44.md): Cusp Web · cracked · May 27, 2009 · N7521A · Doug DC982 · Fuselage Miscellaneous Structure
  > TWO CRACKS IN CUSP OUTBOARD NR 5 & NR 6 SEAT TRACKS. NEW CUSP WAS INSTALLED PER SRM 51-01-00, SRM 51-30-02, SRM 51-30-05.
- [SDR AALA20090605TUL39](https://openairdocs.org/sdr/AALA20090605TUL39.md): Cusp Web · corroded · May 27, 2009 · N7521A · Doug DC982 · Fuselage Miscellaneous Structure
  > CORROSION IN AFT CARGO LOWER RT SIDE CUSP. REMOVED CORROSION AND INSTALLED DOUBLER WAS INSTALLED PER AARD 53-20-00-16.
- [SDR AALA20090605TUL31](https://openairdocs.org/sdr/AALA20090605TUL31.md): Skin · damaged · May 27, 2009 · N7521A · Doug DC982 · Fuselage Main, Plate/Skin
  > MULTIPLE DAMAGE IN AREA STATION 229 TO 256 LONGERON 18 LEFT TO LONGERON 20 LEFT. REMOVED DAMAGED SECTION OF SKIN AND INSTALLED CLASS ONE DOUBLER IN ACCORDANCE WITH SRM 53-04 FIG 12B, SHEET 34.
- [SDR AALA20090605TUL24](https://openairdocs.org/sdr/AALA20090605TUL24.md): Cargo Track · corroded · May 27, 2009 · N7521A · Doug DC982 · Fuselage, Seat/Cargo Attach Fittings
  > CORROSION IN AFT CARGO TIE DOWN TRACK. REPAIRED PER SRM 51-30-00.
- [SDR AALA20090605TUL09](https://openairdocs.org/sdr/AALA20090605TUL09.md): Cusp Web · cracked · May 27, 2009 · N7521A · Doug DC982 · Fuselage Miscellaneous Structure
  > CRACK IN LEFT CUSP. REMOVED AND REPLACED CUSP SHEET PER SRM 53-01 FIG 1.
- [SDR AALA20090605TUL34](https://openairdocs.org/sdr/AALA20090605TUL34.md): Angle · cracked · May 26, 2009 · N7521A · Doug DC982 · Fuselage Miscellaneous Structure
  > CRACK IN MID CARGO LOWER OUTBOARD T-ANGLE. REMOVED CRACKED T-ANGLE AND INSTALLED NEW T-ANGLE PER ESO 80174 IN SHOP.
- [SDR AALA20090605TUL14](https://openairdocs.org/sdr/AALA20090605TUL14.md): Bracket · corroded · May 26, 2009 · N7521A · Doug DC982 · Fuselage Miscellaneous Structure
  > CORROSION ON ANGLE BRACKET AT LOWER CORNER OF CARGO DOOR CUTOUT. REMOVED AND REPLACED BRACKET PER SRM 51-30-05.
- [SDR AALA20090605TUL12](https://openairdocs.org/sdr/AALA20090605TUL12.md): Mount · worn · May 26, 2009 · N7521A · Doug DC982 · Fuselage, Equipment Attach Fittings
  > G1 GALLEY FORWARD OUTBOARD MOUNT WORN. REMOVED AND REPLACED GALLEY MOUNT PER SRM 51-01.
- [SDR AALA20090605TUL11](https://openairdocs.org/sdr/AALA20090605TUL11.md): Mount · corroded · May 26, 2009 · N7521A · Doug DC982 · Fuselage, Equipment Attach Fittings
  > G1 GALLEY FORWARD INBOARD TIE DOWN FITTING CORRODED. REMOVED AND REPLACED GALLEY MOUNT PER SRM 51-01.
- [SDR AALA20090609TUL35](https://openairdocs.org/sdr/AALA20090609TUL35.md): Seat Track · corroded · May 25, 2009 · N7521A · Doug DC982 · Fuselage, Seat/Cargo Attach Fittings
  > SEAT TRACK NR 5 CORRODED BEYOND LIMITS. REMOVED AND REPLACED SEAT TRACK PER SRM 53-40-01-2
- [SDR AALA20090605TUL46](https://openairdocs.org/sdr/AALA20090605TUL46.md): Cusp Web · corroded · May 25, 2009 · N7521A · Doug DC982 · Fuselage Miscellaneous Structure
  > CORROSION ON CUSP UNDER GIRT BAR FITTING AT AFT DOOR SERVICE FORWARD FITTING. INSTALLED DOUBLER PER AARD 53-20-00-16.
- [SDR AALA20090605TUL45](https://openairdocs.org/sdr/AALA20090605TUL45.md): Pan · cracked · May 25, 2009 · N7521A · Doug DC982 · Fuselage Miscellaneous Structure
  > WINDOW PAN IS CRACKED AT LOWER FORWARD CORNER LEFT SIDE. INSTALLED DOUBLER PER AARD 53-10-00-25.
- [SDR AALA20090609TUL40](https://openairdocs.org/sdr/AALA20090609TUL40.md): Cusp Web · damaged · May 24, 2009 · N7521A · Doug DC982 · Fuselage Miscellaneous Structure
  > HEAVY CABIN CORROSION ON CUSP UNDER GIRT BAR FITTING AT AFT SERVICE DOOR AFT FITTING. REMOVED CORROSION PER SRM 51-10-3, INSTALLED DOUBLER PER AARD 53-20-00-16.
- [SDR AALA20090609TUL36](https://openairdocs.org/sdr/AALA20090609TUL36.md): Cusp Web · corroded · May 24, 2009 · N7521A · Doug DC982 · Fuselage Miscellaneous Structure
  > RIGHT CUSP CORRODED. INSTALLED DOUBLER PER SRM 53-20-00-16.
- [SDR AALA2009031200002](https://openairdocs.org/sdr/AALA2009031200002.md): Hydraulic System · contaminated · Mar 12, 2009 · N7521A · Doug DC982 · Hydraulic System, Main
  > OKC - INFLIGHT FAT-DFW. CREW REPORTED A RIGHT HYDRAULIC SYSTEM LOSS. EMERGENCY DECLARED, LANDED OKC WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. INSPECTED AIRCRAFT FOR POSSIBLE LEAKS, NO INDICATION OF LEAK. BLED AIR FROM LEFT AND RIGHT RESERVOIRS AND
- [SDR AALA2009011200287](https://openairdocs.org/sdr/AALA2009011200287.md): Battery Pack · discharged · Jan 12, 2009 · N7521A · Doug DC982 · Emergency Lighting
  > LGA- TAIL CONE EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERY PACK ON TAIL CONE.
- [SDR AALA200803077](https://openairdocs.org/sdr/AALA200803077.md): Lens · missing · Dec 9, 2008 · N7521A · Doug DC982 · Emergency Lighting
  > MSP - EMERGENCY LIGHT AT RIGHT FORWARD OVERWING EXIT MISSING LENS. REPLACED LENS. SYSTEM GROUND CHECKED NORMAL OPERATION.
- [SDR AALA200803076](https://openairdocs.org/sdr/AALA200803076.md): Battery Pack · discharged · Dec 9, 2008 · N7521A · Doug DC982 · Emergency Lighting
  > MSP - OVERHEAD EMERGENCY LIGHTS AT RIGHT AND LEFT EMERGENCY EXIT DOORS INOPERATIVE. REPLACED BATTERY PACK AT EXIT DOORS. SYSTEM GROUND CHECKED NORMAL OPERATION.
- [SDR AALA200803075](https://openairdocs.org/sdr/AALA200803075.md): Battery Pack · discharged · Dec 9, 2008 · N7521A · Doug DC982 · Emergency Lighting
  > MSP - EMERGENCY LIGHTS IN MID COACH CABIN INOPERATIVE. REPLACED BATTERY PACK AT SEAT ROW 14. SYSTEM GROUND CHECKED NORMAL OPERATION.
- [SDR AALA20072385](https://openairdocs.org/sdr/AALA20072385.md): Strut · inoperative · Dec 5, 2007 · N7521A · Doug DC982 · Nose/Tail Landing Gear Strut/Axle
  > ORD INFLIGHT T755/05DEC - NOSE LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF. RETURNED TO ORD AND LANDED WITHOUT INCIDENT. ACCOMPLISHED NOSE STRUT REPACK AND REPLACED SCHRADER VALVE AND SERVICED WITH DRY NITROGEN. SYSTEM GROUND CHECKED NORMAL OPERATION.
- [SDR AALA20072063](https://openairdocs.org/sdr/AALA20072063.md): Lamp · inoperative · Oct 28, 2007 · N7521A · Doug DC982 · Emergency Lighting
  > DFW - EMERGENCY LIGHT AT SEAT ROW 10D INOPERATIVE. REPLACED LAMP FOR EMERGENCY LIGHT AT SEAT ROW 10D. SYSTEM GROUND CHECKED NORMAL OPERATION.

Next page: https://openairdocs.org/deregistered/N7521A-2019-01-07/reports.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
WHERE n_number = 'N7521A' AND deregistration_id = 'N7521A-2019-01-07'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N7521A-2019-01-07/reports

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